Home / 5,252.78-7,250.92-3,156.50

Finding the Fourth Proportional to 5,252.78, 7,250.92 and 3,156.50

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Solution

The fourth proportional to 5,252.78, 7,250.92 and 3,156.50 is: 4,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.78 : 7,250.92 = 3,156.50 : x
  2. Step 2: Convert to fraction form
    5,252.78/7,250.92 = 3,156.50/x
  3. Step 3: Cross multiply
    5,252.78x = 7,250.92 × 3,156.50
  4. Step 4: Simplify right side
    5,252.78x = 22,887,528.98
  5. Step 5: Solve for x
    x = 22,887,528.98/5,252.78
  6. Step 6: Final answer
    x = 4,357.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.